Membranes TRIZ Cases

Sonication during membrane spinning and post-processing reduces buildup, prevents hollow fiber collapse, and cuts cleaning downtime.

Controlled sulfonation in dichloroethane with cosolvent and nitrogen removal raises sulfonation while preserving molecular weight and homogeneity.

Multi-layer synthetic non-woven and membrane filtration cuts TOC release, protects downstream membranes, and clarifies cell culture harvests.

Ultra-thin protective and separation layers help capture low-concentration CO2 while preserving permeation flux and CO2/N2 selectivity.

An asymmetric polyethylene membrane uses smaller and larger pore regions to keep high contaminant retention without unacceptable flow loss.

Automated fluid routing, mixing, filtration, and waste capture streamline large-volume nucleic acid and protein isolation with less contamination.

Controlled coating roughness and friction protect the separation layer from abrasion while preserving water permeability in membrane filtration.

Elastic edge seals and a controlled housing gap prevent leaks and stagnant water while preserving ceramic filter replacement and water quality.

Maintaining humid conditions above 100°C before cooldown helps stop a separation membrane without thermal shock, condensation, or damage.

Differential humidity in two flow paths suppresses water bumping and thermal shock during membrane heating, helping prevent separation device breakage.

Gas supplied through a substrate-side flow path heats the separation membrane more efficiently, cutting energy use without larger equipment.

A grafted porous polymer substrate combines steric exclusion and ionic binding to separate complex biomaterial mixtures by size and charge.

Porous wafers loaded with crown-ether functionalized fullerenes selectively capture lithium from brine, speeding extraction while improving purity.

An integrated top-plate lip compresses the membrane to improve channel sealing, reducing sample leakage, mass loss, and assembly complexity.

A hydrophilic polyurethane gutter layer with aziridine crosslinking improves membrane adhesion and gas selectivity without surface activation.

Rigid distributor caps replace hoses between separation units to cut dead space, backmixing, leakage, and contamination in bioprocess setups.

Selective cation and anion removal in atomizer liquid cuts coil fouling and vapor attenuation while preserving tobacco fragrance.

A higher-melting edge structure prevents membrane retraction during thermal joining, improving filter module bonding, heat resistance, and recyclability.

A spiral-wound multi-effect layout integrates membranes and heat exchange films to recover heat while cutting head loss and pumping energy.

Counter-flow membrane concentration paired with direct lithium extraction cuts brine recovery time, land use, and water demand.

Segmented spiral-wound membrane flow paths reduce scaling and fouling, helping sustain salt rejection, flow rate, and membrane life.

Counter-current reverse osmosis with membrane sweeping concentrates sensitive solutions while reducing fouling, pressure load, and energy use.

A spiral inlet and zoned heat and gas exchange layout distribute blood evenly, cut dead zones, and lower thrombosis risk.

A UV or alkaline germ barrier in the wastewater drain blocks backward contamination and biofilm growth, protecting filtration efficiency.

A radon-selective membrane isolates radon into a small permeate stream for decay, avoiding long storage of the full natural gas volume.

Chemical dosing controls cake-layer formation in dynamic membrane filtration to raise flux and keep filtrate suspended solids very low.

Combining nanofiltration with hybrid forward osmosis cuts scaling and energy demand while raising saline water recovery.

A radial fluid and vent manifold enables even filling of multiple receptacles while maintaining sterility and reducing footprint.

A multi-asymmetric pore gradient captures different particle sizes while preserving flow rate, membrane continuity, and mechanical stability.

Controlling adsorptive concentration gradients during heating and cooling helps zeolite separation membranes avoid thermal cracking while maintaining separation.

Built-in demineralization lets PAW systems use tap water while maintaining stable plasma activation and consistent antimicrobial activity.

A retentate sweep stream boosts CO2 permeation and CH4 selectivity in biogas membranes without extra stages or high-pressure equipment.

Gravity-driven membranes with tannic-acid polystyrene and alkyl-modified polyurethane separate oil and water with high flux and reuse.

Thermally crosslinked azide-functional PEI films retain solution processability while gaining strong solvent, thermal, and mechanical resistance.

A membrane contactor captures CO2 into sodium carbonate, then membrane distillation crystallizes high-purity bicarbonate with lower energy and no ammonia hazard.

Nanofiltration and ultrafiltration remove salts and low molecular weight residues from vinylamine polymers while limiting pressure drop and yield loss.

A phospholipid-polyamine interfacial polymerization route boosts water permeability while maintaining at least 90% salt rejection.

A hydrophilic filter, defoamer, and hydrophobic vent filter remove trapped gas to maintain sterile filtration flow during bioprocess mixing.

Controlled pore geometry and low shear stress suppress membrane fouling, keeping cell broth filtration and product recovery stable.

An ultra-thin aluminum-based MOF membrane on ceramic support boosts CO2/N2 selectivity and permeance while limiting grain boundary defects.

A hollow fibre filter replaces labor-intensive filter presses to clarify plasma fractions while recovering albumin and hemopexin with lower turbidity.

Keeping Reynolds number below 2,000 creates laminar flow that stabilizes membrane temperature and improves transient heating and cooling.

Vacuum and ultrasound work together to drive dissolved gas through a permeable membrane, improving liquid chromatography degassing without additives or boiling.

Covalent spacers and a sulfonated support prevent graphene oxide membrane delamination while maintaining high rejection in hot alkaline filtration.

Specific pore geometry and shear stress limits suppress fouling in continuous cell broth filtration, helping maintain stable product permeation.

A thermoplastic membrane with 0.1-0.6 nm pores separates high-GWP gases while improving manufacturability and lowering energy use.

Exclusion and anion exchange purification plus membrane filtration rapidly concentrates extracellular vesicles for transnasal CNS therapy.

Sequential membrane layers with tuned pore sizes separate bacteria from up to 400 nm particles while preserving at least 50% yield.

Controlled indents guide electrochemical etching to form monodisperse through-pores in semiconductor membranes with high porosity and low pressure drop.